1277228 has 12 divisors (see below), whose sum is σ = 2251200. Its totient is φ = 634032.

The previous prime is 1277209. The next prime is 1277233. The reversal of 1277228 is 8227721.

It is a super-2 number, since 2×1277228² = 3262622727968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1277228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (187600).

2^1277228 is an apocalyptic number.

It is an amenable number.

1277228 is a deficient number, since it is larger than the sum of its proper divisors (973972).

1277228 is a wasteful number, since it uses less digits than its factorization.

1277228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2294 counting only the distinct ones).

The product of its digits is 3136, while the sum is 29.

The square root of 1277228 is about 1130.1451234244. The cubic root of 1277228 is about 108.4982692072.

The spelling of 1277228 in words is "one million, two hundred seventy-seven thousand, two hundred twenty-eight".